Mitsubishi CM200DY-34A: A 1700V IGBT for Demanding Industrial Applications
Mitsubishi CM200DY-34A | 1700V 200A Dual IGBT Module
High-Voltage Reliability for Demanding Industrial Power Systems
The Mitsubishi CM200DY-3A is a dual IGBT module from the A-Series, providing a robust solution for high-power switching applications. This module integrates two IGBTs in a half-bridge configuration, engineered to deliver operational stability and durability in challenging electrical environments. It offers a high breakdown voltage that provides a substantial safety margin in systems operating on high-voltage lines, such as 690V AC, ensuring resilience against transient voltage spikes.
- Core Specifications: 1700V | 200A | Isolated Baseplate
- Key Advantages: High breakdown voltage for system ruggedness, simplified thermal management with an industry-standard package.
Download Official Datasheet (PDF)
Technical Analysis for System Integration
A key attribute of the CM200DY-34A is its Collector-Emitter Voltage (VCES) rating of 1700V. This high voltage capability is not just a ceiling; it is a critical design feature that provides the necessary headroom for reliable operation in industrial power converters, particularly those connected to 690V AC mains. This margin protects the device from potentially damaging overvoltage conditions that can occur on industrial power grids, directly contributing to the longevity and reliability of the end application. The module’s construction focuses on durability, making it a consistent component for demanding power cycles.
Efficient thermal management is paramount in power module performance, and this is addressed through the module’s optimized thermal resistance. The datasheet specifies the thermal resistance from junction to case (Rth(j-c)) for the IGBT as 0.11°C/W. This value is crucial for thermal design calculations. Think of thermal resistance as the width of a pipe; a lower value signifies a wider pipe, allowing heat to dissipate more effectively from the silicon chip to an external heatsink. This efficient heat transfer is essential for maintaining the junction temperature within safe operating limits, especially under continuous high-current loads, as specified in the IGBT’s thermal design parameters.
Optimized Application Scenarios
The specific characteristics of the CM200DY-34A make it highly suitable for a range of high-power industrial applications:
- Heavy-Duty Motor Drives: The 1700V rating is ideal for inverters controlling large AC motors on 690V lines, providing the required voltage safety margin for reliable operation in environments like manufacturing plants and material handling.
- Uninterruptible Power Supplies (UPS): In high-capacity UPS systems for data centers or critical facilities, the module’s robust design ensures dependable performance during grid voltage sags and swells.
- General-Purpose Industrial Inverters: The industry-standard package and reliable electrical characteristics make it a versatile choice for designers building power conversion systems for various industrial machines.
- Welding Power Supplies: It is capable of handling the high-current, pulsed-power demands inherent in advanced welding equipment, where durability is essential.
This module is best matched for high-voltage industrial systems where proven durability and a significant voltage safety margin are primary design requirements.
Key Specifications of the CM200DY-34A
| Absolute Maximum Ratings (Tj = 25°C) | ||
|---|---|---|
| Collector-Emitter Voltage (VCES) | 1700 V | |
| Gate-Emitter Voltage (VGES) | ±20 V | |
| Collector Current (IC) @ Tc=109°C | 200 A | |
| Total Power Dissipation (Ptot) @ Tc=25°C | 1980 W | |
| Isolation Voltage (Visol) | 3500 Vrms | |
| Electrical Characteristics (Tj = 125°C unless noted) | ||
| Collector-Emitter Saturation Voltage (VCEsat) @ 200A | 2.45 V (Typ) | |
| Gate-Emitter Threshold Voltage (VGE(th)) @ Tj=25°C | 7.0 V (Typ) | |
| Thermal Characteristics | ||
| Thermal Resistance, Junction to Case (Rth(j-c)) – IGBT | 0.11 °C/W | |
| Operating Junction Temperature (Tj) | -40 to +150 °C | |
Engineer’s FAQ
What are the primary thermal considerations when designing a heatsink for the CM200DY-34A?
The key parameter is the thermal resistance from junction to case, specified as 0.11°C/W per IGBT. Your thermal design must ensure that the case temperature (Tc), measured at the specified point under the chip, does not exceed its maximum limits. Proper application of thermal grease and correct mounting torque are critical to minimize the thermal resistance between the module baseplate and the heatsink. For a deeper dive, explore our guide on IGBT reliability and thermal cycling.
What is the specified mounting torque for this module’s terminals and mounting holes?
The datasheet specifies a torque of 3.5 – 4.5 N·m for both the M6 main terminals and the M6 mounting screws. Adhering to these values is crucial. Insufficient torque on the mounting holes can result in poor thermal contact and overheating, while over-torquing can cause mechanical stress to the module’s baseplate and internal ceramic substrate.
Is the baseplate electrically isolated?
Yes, the CM200DY-34A features an isolated baseplate. The datasheet lists the isolation voltage (Viso) at 3500 Vrms for one minute between the terminals and the baseplate. This integrated isolation simplifies system assembly by allowing the module to be mounted directly to a grounded heatsink without requiring additional insulating layers, which is a key aspect of high-voltage IGBT reliability.
How does the integrated free-wheeling diode (FWD) affect performance?
Each IGBT within the module has a co-packaged, reverse-connected super-fast recovery free-wheel diode. The characteristics of this diode are critical in inductive load applications like motor drives. Its performance, including a low forward voltage drop and controlled reverse recovery, directly impacts switching efficiency and helps to minimize voltage overshoots and electromagnetic interference (EMI). The role of the free-wheeling diode is pivotal to overall system performance.
Enabling Robust Power Converter Design
The CM200DY-34A delivers a proven, high-voltage switching solution in a standard industrial package. Its combination of a 1700V rating, solid thermal performance, and integrated dual-IGBT topology empowers engineers to develop power conversion systems that are not only powerful but also exceptionally reliable and resilient in the face of demanding industrial operating conditions.